MCQOPTIONS
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MCQOPTIONS
This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Power Plant knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about __________ metres/second. |
| A. | 1100 |
| B. | 2200 |
| C. | 3300 |
| D. | 4400 |
| Answer» C. 3300 | |
| 2. |
Specific gravity of uranium and plutonium is about __________ |
| A. | 13 |
| B. | 9 |
| C. | 19 |
| D. | 27 |
| Answer» D. 27 | |
| 3. |
Thermal neutrons which are used to cause the fission of U-235 have energy __________ eV. |
| A. | >1 |
| B. | <0.025 |
| C. | >200 |
| D. | 1-25 |
| Answer» C. >200 | |
| 4. |
If 4 gm of a radioisotope has a half-life period of 10 days, the half-life of 2 gm of the same istotope will be __________ days. |
| A. | 10 |
| B. | 5 |
| C. | 20 |
| D. | 30 |
| Answer» B. 5 | |
| 5. |
__________ nuclear reactor does not require a heat exchanger to supply steam to power turbine. |
| A. | pressurised water |
| B. | boiling water |
| C. | helium cooled |
| D. | molten sodium cooled |
| Answer» C. helium cooled | |
| 6. |
A moderator ______ the neutrons. |
| A. | accelerates |
| B. | slows down |
| C. | blocks |
| D. | stops |
| Answer» C. blocks | |
| 7. |
Thorium can be converted into U-233 in a __________ reactor. |
| A. | fast breeder |
| B. | liquid metal reactor |
| C. | curtis reactor |
| D. | none of the mentioned |
| Answer» B. liquid metal reactor | |
| 8. |
Nuclear fuel complex, Hyderabad is engaged in the job of __________ |
| A. | processing of uranium ore |
| B. | manufacture of nuclear fuel elements/assemblies |
| C. | treatment of spent fuel |
| D. | none of the mentioned |
| Answer» C. treatment of spent fuel | |
| 9. |
What is the function of moderators in nuclear reactor? |
| A. | absorb the secondary neutrons |
| B. | slow down the secondary neutrons |
| C. | control the chain reaction |
| D. | none of the mentioned |
| Answer» C. control the chain reaction | |
| 10. |
THERMAL_NEUTRONS_WHICH_ARE_USED_TO_CAUSE_THE_FISSION_OF_U-235_HAVE_ENERGY____________EV.?$ |
| A. | >1 |
| B. | <0.025 |
| C. | >200 |
| D. | 1-25 |
| Answer» C. >200 | |
| 11. |
Specific gravity of uranium and plutonium is about$ |
| A. | 13 |
| B. | 9 |
| C. | 19 |
| D. | 27 |
| Answer» D. 27 | |
| 12. |
Pick_out_the_wrong_statement.$ |
| A. | Positron is heavier than a proton |
| B. | A, β-ray particle is identical with an electron |
| C. | The nucleus of a hydrogen atom is identical with a proton |
| D. | Mass of an electron is about 1/1800th of the lightest nucleus |
| Answer» B. A, ‚âà√≠‚Äö√¢¬ß-ray particle is identical with an electron | |
| 13. |
Radioactive decay is a ________ change. |
| A. | Physical |
| B. | Chemical |
| C. | Nuclear |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 14. |
Which of the following types of nuclear reactors is most prone to radioactive hazards? |
| A. | Gas cooled reactor |
| B. | Molten Sodium Reactor |
| C. | Boiling water reactor |
| D. | Pressurised water reactor |
| Answer» D. Pressurised water reactor | |
| 15. |
If 4 gm of a radioisotope has a half-life period of 10 days, the half-life of 2 gm of the same istotope will be __________ days? |
| A. | 10 |
| B. | 5 |
| C. | 20 |
| D. | 30 |
| Answer» B. 5 | |
| 16. |
A moderator ______ the neutrons |
| A. | accelerates |
| B. | slows down |
| C. | blocks |
| D. | stops |
| Answer» C. blocks | |
| 17. |
Which of the following is not used as a nuclear fuel cladding material |
| A. | Cadmium |
| B. | Zircalloy |
| C. | Ceramics |
| D. | Stainless Steel |
| Answer» B. Zircalloy | |